<button class="button">
  <svg height="15" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512">
    <path
      fill="transparent"
      stroke-width="30"
      stroke="black"
      d="M429.6 92.1c4.9-11.9 2.1-25.6-7-34.7s-22.8-11.9-34.7-7l-352 144c-14.2 5.8-22.2 20.8-19.3 35.8s16.1 25.8 31.4 25.8H224V432c0 15.3 10.8 28.4 25.8 31.4s30-5.1 35.8-19.3l144-352z"
    ></path>
  </svg>
  &nbsp;Send Message
</button>

<style>
/* From Uiverse.io by Cybercom682  - Tags: button, send, mastery, replica */
.button {
  cursor: pointer;
  position: relative;
  display: flex;
  padding: 0.8em 0.7em 0.8em 0.7em;
  border-color: rgba(0, 0, 0, 0.336);
  box-shadow: 4px 4px 12px 0px rgba(0, 0, 0, 0.158);
  border-radius: 6px;
}
.button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  box-shadow: inset 0 0 20px rgb(255, 255, 255);
}

</style>
    